head value

head value

[′hed ‚val·yü]
(mining engineering)
Assay value of the feed to a concentrating system.
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Windfall levy has been reduced from 50 to 40 percent while lease can be extended for another five years after its expiry subject to payment of an amount of 15 percent of well head value.
Analysis of seepage characteristics in the tunnel shows that before excavation the pore pressure at the bottom agrees with total hydraulic head value and pore pressure increases from top to bottom.
Next, for each flow value, read the corresponding head value on the manufacturer pump curve and put this value in the pump head column of the spreadsheet.
Incentives offered in this regard includes better gas price, windfall levy reduced from 50% to 40%, base price for crude oil and condensate increased from US $30 per barrel to US $40 per barrel, "Ceiling of US $100 per barrel is replaced with US $110 per barrel, while renewal of lease will also be ensured, after expiry of lease term for another five years subject to payment of amount of 15% of the well head value.
For each cell, there is a single point, called node, at which head value of the groundwater table is calculated.
Since the lakes are represented as an integral part of the MODFLOW model, their calculated hydraulic head value represent the lake surface level which, due to limitations in the groundwater model, may vary across the area of the lake.
Tenders are invited for Set Of Seamless Tube Assemblies For Lubrication Of Cylinder Head Value Levers In Alco Locos To Dmw Drawing No.
The adjusted head value is being adapted in accordance with flow variations during the heating process, if the proportional pressure control is used (Machine Design 2002).
Ceiling of $100 per barrel is replaced with $110 per barrel, while renewal of lease will also be ensured, after expiry of lease term for another five years subject to payment of amount of 15 percent of the well head value.
With apply the boundary conditions and solving the system of equations, pressure head values are obtained at the desired points.
The difference in pressure head values of retention-curves inflection points is more suitable for the prediction of capillary barriers efficiency than the difference in hydraulic conductivities.